DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Current Voltage Speed None of the listed here Current Voltage Speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Two north poles follow two south poles All the four poles are south poles All the four poles are north poles Alternate poles are north and south Two north poles follow two south poles All the four poles are south poles All the four poles are north poles Alternate poles are north and south ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Constant loss Stray loss None of the listed here Variable loss Constant loss Stray loss None of the listed here Variable loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Silicon steel Copper Nonferrous material Cast-iron Silicon steel Copper Nonferrous material ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Rough commutator bars Excessive spring pressure Abrasion from dust All of these Rough commutator bars Excessive spring pressure Abrasion from dust All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Double the number of poles Half the number of poles Two Same as the number of poles Double the number of poles Half the number of poles Two Same as the number of poles ANSWER DOWNLOAD EXAMIANS APP
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